Electromagnetic and gravitomagnetic structure of pions and pion-nucleon scattering
O.V. Selyugin
TL;DR
This paper calculates the electromagnetic and gravitomagnetic form factors of pions and nucleons using GPDs from various PDFs, and applies them to describe pion-nucleon elastic scattering across a wide energy range with minimal fitting parameters.
Contribution
It introduces a method to compute form factors from GPDs obtained by different collaborations and uses these to model pion-nucleon scattering.
Findings
Form factors are successfully derived from multiple GPD datasets.
The model describes scattering data with few fitting parameters.
Results demonstrate the relevance of electromagnetic and gravitomagnetic effects in scattering.
Abstract
Taking into account PDFs obtained by various Collaborations, the momentum transfer dependence of GPDs of the pion are obtained. The calculated electromagnetic and gravitomagnetic form factors of the pions and nucleons are used for the description of the pion-nucleon elastic scattering in a wide energy and momentum transfer region with minimum fitting parameters.
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